GfxBench2D for Windows 2.6

Posted by Hans de Ruiter

The Windows version of GfxBench2D has received another update. This version includes a workaround for an issue with buggy graphics drivers. On a small number of computers it would hang at the WritePixelArray test. This was due to a driver bug affecting the CopySubresource() function. It would allow the source-buffer to be locked for writing before copying of data from that buffer to the graphics card had completed, potentially enabling the old data to be overwritten before it had been used. Fortunately, there was a different method to wait until the operation was done, which waits for the GPU to be idle. This same method is used prior to each test to ensure the most accurate results.